What happens when a tsunami approaches the shore?

a. Its velocity drops rapidly.
b. Its period remains the same.
c. Its wave height increases
d. All of these choices


ANS: D
Even though there are drastic changes to the wave as it approached shore, it does not have a huge crest.
It surges ashore much like a very fast tide would. Information can be found in the section Water
Displacement Causes Tsunamis and Seismic Sea Waves.

Environmental & Atmospheric Sciences

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Indicate whether the statement is true or false

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